[gitg/wip/submodules] Make sure to reset walker exclude

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 0fb705b56596aeb0bcf2d6cb09a7bcc29c7993f1
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Dec 14 12:50:32 2014 +0100

    Make sure to reset walker exclude

 gitg/commit/gitg-commit.vala |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gitg/commit/gitg-commit.vala b/gitg/commit/gitg-commit.vala
index 39acd77..cb61b66 100644
--- a/gitg/commit/gitg-commit.vala
+++ b/gitg/commit/gitg-commit.vala
@@ -467,6 +467,10 @@ namespace GitgCommit
                                {
                                        model.set_exclude(new Ggit.OId[] { head_id });
                                }
+                               else
+                               {
+                                       model.set_exclude(new Ggit.OId[0]);
+                               }
 
                                d_stage_unstage_submodule_commit_callback = (commit) => {
                                        unstage_submodule_at(commit);
@@ -482,6 +486,10 @@ namespace GitgCommit
                                {
                                        model.set_exclude(new Ggit.OId[] { index_id });
                                }
+                               else
+                               {
+                                       model.set_exclude(new Ggit.OId[0]);
+                               }
 
                                d_stage_unstage_submodule_commit_callback = (commit) => {
                                        stage_submodule_at(commit);